/* ============================================
   Portfolio Page Styles - DeediX Technologies
   Following Microsoft/Apple/AWS Design Principles
   ============================================ */

/* Portfolio Page Header - White Background */
.portfolio-page .page-header {
    background: #ffffff;
}

/* Portfolio Filter Section */
.portfolio-filter {
    padding: 2rem 0;
    background: #ffffff;
    border-bottom: 1px solid #e2e8f0;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: #64748b;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.filter-btn:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
    color: #1e293b;
}

.filter-btn.active {
    background: #0078d4;
    border-color: #0078d4;
    color: #ffffff;
}

/* Portfolio Grid */
.portfolio-grid {
    padding: 4rem 0;
    background: #f8fafc;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    opacity: 1;
    transform: scale(1);
}

.project-card:hover {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    transform: translateY(-4px);
}

.project-image {
    position: relative;
    height: 280px;
    background: linear-gradient(135deg, #e0f2fe 0%, #f0f9ff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.project-icon {
    font-size: 5rem;
    color: #0078d4;
    opacity: 0.15;
    z-index: 1;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 120, 212, 0.95) 0%, rgba(0, 90, 158, 0.95) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    padding: 2rem;
    z-index: 2;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-info {
    text-align: center;
    color: #ffffff;
}

.project-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 0.75rem 0;
    color: #ffffff;
}

.project-info p {
    font-size: 0.9375rem;
    line-height: 1.6;
    margin: 0 0 1.25rem 0;
    color: rgba(255, 255, 255, 0.95);
}

.project-tags {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    padding: 0.375rem 0.875rem;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: #ffffff;
}

.project-details {
    padding: 1.5rem;
}

.project-details h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
    margin: 0 0 0.5rem 0;
}

.project-category {
    font-size: 0.875rem;
    color: #0078d4;
    font-weight: 500;
    margin: 0;
}

/* Portfolio CTA Section */
.portfolio-cta {
    padding: 4rem 0;
    background: #ffffff;
    border-top: 1px solid #e2e8f0;
}

.portfolio-cta .cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.portfolio-cta h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 600;
    color: #1e293b;
    margin: 0 0 1rem 0;
}

.portfolio-cta p {
    font-size: 1.125rem;
    color: #64748b;
    margin: 0 0 2rem 0;
    line-height: 1.6;
}

.portfolio-cta .btn {
    min-width: 200px;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .portfolio-page .page-header {
        margin-top: 70px;  /* Add clearance for fixed navbar */
    }

    .portfolio-filter {
        padding: 1.5rem 0;
    }

    .filter-buttons {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.875rem;
    }

    .portfolio-grid {
        padding: 2.5rem 0;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .project-image {
        height: 240px;
    }

    .project-icon {
        font-size: 4rem;
    }

    .project-overlay {
        padding: 1.5rem;
    }

    .project-info h3 {
        font-size: 1.25rem;
    }

    .project-info p {
        font-size: 0.875rem;
    }

    .portfolio-cta {
        padding: 3rem 0;
    }

    .portfolio-cta h2 {
        margin-bottom: 0.75rem;
    }

    .portfolio-cta p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .portfolio-cta .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    /* Stack filter buttons vertically - no horizontal scroll needed */
    .filter-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }

    .filter-btn {
        width: 100%;
        text-align: center;
        padding: 0.875rem 1rem;
    }

    .project-details {
        padding: 1.25rem;
    }
}